a 1kg blob of clay is moving at 8m/s collides inelastically with a 3 kg wooden block that is initially at rest

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach

1. metals

2. metalloids only

3. nonmetals only

4. metals and metalloids

5. metalloids and nonmetals

i just took this assignment so this is correct